Chemistry Electrochemical Principles Metallurgy Online Exam Quiz
Chemistry Electrochemical Principles Metallurgy GK Quiz. Question and Answers related to Chemistry Electrochemical Principles Metallurgy. MCQ (Multiple Choice Questions with answers about Chemistry Electrochemical Principles Metallurgy
What is the net reaction in Hall-Heroult process?
Options
A : 2Al2O3 + 3C ? 4Al + 3CO2
B : 4Al2O3 + 3C ? 4Al + 6CO2
C : F2 + Al2O3 ? Al + F2O3
D : Na3AlF6 ? AlF3 + 3NaF
What is the temperature maintained in Hall-Heroult process?
Options
A : 800°-840° C
B : 840°-880° C
C : 900°-940° C
D : 940°-980° C
Which of the following metals are reduced from molten salt solutions by electrolysis?
Options
A : Aluminium
B : Silver
C : Iron
D : Zinc
What is the term given to the extraction of aluminium from bauxite by using electrochemical process?
Options
A : Baeyer’s process
B : Hall-Heroult process
C : Mc-Arthur process
D : Blasts process
Which of the following is an example of electrochemical principles of metallurgy?
Options
A : Baeyer’s process
B : Solvay process
C : Bergius process
D : Hall-Heroult process
Which of the following is the most suitable ore to undergo electrochemical process?
Options
A : Kaolinite
B : Calamine
C : Bauxite
D : Cinnabar
What is the process used to extract sodium from halide ores such as sodium chloride (NaCl)?
Options
A : Pyro metallurgy
B : Hydro metallurgy
C : Electro metallurgy
D : Magnetic separation
Electrochemical processes in metallurgy are spontaneous.
Options
A : True
B : False
C :
D :
In the metallurgy of aluminium, purified bauxite is mixed with Na2AlF6.
Options
A : True
B : False
C :
D :
What is the anode and cathode used in Hall-Heroult process?
Options
A : Zinc and copper
B : Iron and copper
C : Carbon and zinc
D : Graphite and carbon
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